Redstone Strength Gate

-- pastebin get 6dpjtwDH startup
os.setComputerLabel('StorageMonitor')

function Read(inputSide, outputSide)
    while true do
        term.clear()
        term.setCursorPos(1,1)

        print("-----------------------------------------------")
        print("              Storage  Drawer                  ")
        print("             Status Reader v0.2                ")
        print("-----------------------------------------------")
        print("            Press [Enter] to stop              ")
        print("                                               ")

        print("Input Signal Strenght: " .. redstone.getAnalogInput(inputSide))

-- 15 means its full. Harvester must stop
-- 1 to 14 it means there is space. Harvester must work.
-- 0 means its empty but could also mean there is nothing assign to the drawer. Harvesters must ignore this

        if redstone.getAnalogInput(inputSide) == 15 then
            redstone.setAnalogOutput(outputSide, 0)
        elseif redstone.getAnalogInput(inputSide) == 0 then
            redstone.setAnalogOutput(outputSide, 0)
        else
            redstone.setAnalogOutput(outputSide, 15)
        end

        print("Output Signal Strenght: " .. redstone.getAnalogOutput(outputSide))
        sleep(1)
    end
end

function exitProgram()
  repeat
    local ev, key = os.pullEvent('key')
  until key == keys.enter -- or whatever key i decide to use
end

parallel.waitForAny(Read('back', 'front'), exitProgram)